13 lines
1.5 KiB
JavaScript
13 lines
1.5 KiB
JavaScript
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/**
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* jQuery.Preload
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* https://github.com/htmlhero/jQuery.preload
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*
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* Created by Andrew Motoshin
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* http://htmlhero.ru
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*
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* Version: 1.5.0
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* Requires: jQuery 1.6+
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*
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*/
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!function(a){a.preload=function(){var b=[],c=function(a){for(var c=0;c<b.length;c++)if(b[c].src===a.src)return b[c];return b.push(a),a},d=function(a,b,c){"function"==typeof b&&b.call(a,c)};return function(b,e,f){if("undefined"!=typeof b){"string"==typeof b&&(b=[b]),2===arguments.length&&"function"==typeof e&&(f=e,e=0);var g,h=b.length;if(e>0&&h>e&&(g=b.slice(e,h),b=b.slice(0,e),h=b.length),!h)return d(b,f,!0),void 0;for(var i,j=arguments.callee,k=0,l=function(){k++,k===h&&(d(b,f,!g),j(g,e,f))},m=0;m<b.length;m++)i=new Image,i.src=b[m],i=c(i),i.complete?l():a(i).on("load error",l)}}}();var b=function(b,c){var d,e,f,g,h,i=[],j=new RegExp("url\\(['\"]?([^\"')]*)['\"]?\\)","i");return c.recursive&&(b=b.find("*").add(b)),b.each(function(){for(d=a(this),e=d.css("background-image")+","+d.css("border-image-source"),e=e.split(","),h=0;h<e.length;h++)f=e[h],-1===f.indexOf("about:blank")&&-1===f.indexOf("data:image")&&(g=j.exec(f),g&&i.push(g[1]));"IMG"===this.nodeName&&i.push(this.src)}),i};a.fn.preload=function(){var c,d;1===arguments.length?"object"==typeof arguments[0]?c=arguments[0]:d=arguments[0]:arguments.length>1&&(c=arguments[0],d=arguments[1]),c=a.extend({recursive:!0,part:0},c);var e=this,f=b(e,c);return a.preload(f,c.part,function(a){a&&"function"==typeof d&&d.call(e.get())}),this}}(jQuery);
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